A. Easily reshaped & reused

B. Formed by addition polymerisation only

D. Soluble in all organic solvents

A. Slow & high

B. Fast & slow

C. Slow & low

B. Dehydration of ethyl alcohol followed by hydrogenation

C. Reacting ethylene oxide with acetaldehyde

D. Fermentation of starch

A. Auto catalytic

B. None of these

C. Endothermic

B. Have a very high calorific value

C. Burn with a small non-smoky flame

D. Give less yield of tar and gas on carbonisation

A. Stearic acid estors

B. Tricresyl phosphate

C. Esters of phthalic acid

A. Does not produce linear polymers

B. Produces only thermoplastic material

D. Does not need any catalyst

B. The monomers are unsaturated compounds

C. Generally only one monomer is involved

D. No co-product is lost

A. The ratio of its percentage of fixed carbon to that of volatile matter

B. Helpful in estimation of its rank

D. Neither A. nor B.

A. Teflon

B. Polyurethane

C. Bakelite

A. Increase its viscosity

B. Protect rubber goods from attack by oxygen & ozone present in the atmosphere

D. Reduce the time of vulcanisation and quantity of vulcanising agent

A. Non-sticking utensils

C. Packaging bags

D. Electrical insulation

A. Not related to

B. Higher than

C. Same as

A. Nickel

B. Molybdenum

C. Platinum

A. Fe

C. Ni

D. V2O5

A. Furnace oil

B. Naphtha

D. Natural gas

B. Polyurethane

C. SBR

D. Neoprene

B. Neoprene

C. PVC

D. None of these

B. Terylene

C. Nylon

D. Teflon

A. Entrained

C. Fixed

D. Fluidised

A. Chain length

B. Intermolecular forces

D. None of these

A. 2

B. 20

C. 38

A. Caking index

C. Ash content

D. Both B. and C.

A. A polyester

B. Not used for surface coating

D. An elastomer

A. 48

C. 40

D. 5

A. Lucite

C. Teflon

D. Polystyrene

B. PVC

C. Polythene

D. Polystyrene

B. For making nylon-6

C. In insecticides manufacture

D. In making PVC

A. Pulverised

C. Caking

D. High ash

A. Thermosetting material

C. Exemplified by protein derivatives

D. Having very high tensile strength and heat resistance

A. Polyurethane

B. Melamine

D. Polystyrene

A. CO

B. H2

D. CO2

A. Natural

C. Polyester

D. Polyamide

A. 10

B. 85

D. 20

B. Is produced by Polycondensation reaction

C. Softening temperature is 200C

D. Can be made thermosetting by adding a plasticiser

A. Intermittent and uncontrolled combustion of the fuel

B. High exit flue gas temperature from the furnace

C. Excessive power requirement of air blower

A. Bulk

B. Emulsion

D. Suspension

A. Hydrogen

B. Oxygen

D. Carbon monoxide

B. 200 K

C. 200 R

D. 200 C

A. Perspex

B. Lucite

D. Plexiglass

A. Perspex

C. Saturated polyester

D. PVC

A. DMT

B. Ethyl benzene

C. Ethylene glycol

B. Bakelite

C. Polystyrene

D. Perspex

A. Increases its ozone & oxygen reactivity

B. Decreases its tensile strength

C. Increases its oil & solvent resistance

A. Bituminous coal containing 20% ash and 25% volatile matter

B. Anthracite containing 10% volatile matter and 8% ash

C. Semi-bituminous coal containing 25% ash and 20% volatile matter

A. Calorific value

B. Caking power

D. Neither A. nor B.

A. Pipes

B. Filaments

C. Tubings

A. Polypropylene

B. None of these

C. Polystyrene

A. Elastometric

B. Thermosetting

D. Having extremely high softening point

A. Harder

B. Tougher

D. Chemically inert